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UCHealth Internal Medicine - Greeley | 6767 W. 29th Street

Internal Medicine • Greeley, CO

About

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Clinic Type

Internal Medicine

Address

6767 W. 29th Street, Greeley Medical Center, 2nd floor, Greeley, CO 80634

Phone

970-652-2433

Email

CustomerServiceBilling@eph.org

Opening Hours

Mon-Fri 8am-5pm; Sat Closed; Sun Closed

Website

https://www.uchealth.org/locations/uchealth-internal-medicine-greeley/

Telehealth

Available

Emergency Care

If you are experiencing a mental health crisis, please call 988, 911, or go to your local emergency room.

Services Offered

Internal Medicine
Primary Care
Behavioral health
Annual physicals
Chronic disease management
Immunizations
Online scheduling
Electronic medical records
Same-day appointments
Advanced check-in
Email access to providers
Screenings (cancer, diabetes, cholesterol)
Fractures and sprains care
Gastroesophageal reflux disease (GERD) management
Headache management
High cholesterol
High blood pressure
Rashes/skin conditions
Sore throat evaluation

Technology & Equipment

Electronic medical records
Online scheduling
Email access to providers

Team

Mark F. Berntsen, MD, MD — Internal Medicine Provider
Daniel R. Zenk, MD, MD — Internal Medicine Provider

Insurance & Payment

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Our office participates with many different insurance companies. Please contact your insurance company to see if we are a contracted provider.

Billing through UCHealth, Insurance

Languages Spoken

English

FAQs

What services are offered at UCHealth Internal Medicine – Greeley?

Internal medicine services include routine checkups, management of chronic conditions (e.g., diabetes, cholesterol), behavioral health, immunizations, electronic medical records, online scheduling, and same-day appointments.

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye (Internal Medicine specific): 4.9/5 stars (422 reviews)
Healthgrades (UCHealth Greeley Hospital): 76% of patients recommend the hospital (Not explicitly stated (based on CMS/HCAHPS data))

Patients praise

Compassionate and attentive doctors
Staff who listen to patients and answer questions clearly
Efficient and helpful communication from nursing staff
High patient satisfaction regarding doctor-patient interaction in non-emergency settings

Common complaints

Limited appointment availability
Perceived lack of thoroughness or diagnostic testing in emergency situations
Concerns regarding communication or "rushed" care in emergency settings
Dissatisfaction with hospital discharge or follow-up processes

"I trust Dr. Melton. She listens to me, answers every question, and I honestly feel she cares about me. Easy to talk to and she follows up quickly."

— Birdeye Patient Review

"Many reviewers commend Dr. Dana Christiansen’s attentive approach, highlighting her compassion and respectful demeanor during visits."

— Customer Review Summary

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Jason Whaley PA - Internal Medicine | Primary Care | Greeley | UCHealth — Apr 5, 2020
Meara Melton MD, MBA | Internal Medicine | UCHealth — Sep 12, 2022
Emerito Natanawan MD - Internal Medicine | Greeley, CO | UCHealth — Dec 22, 2021
Keith C. Jensen, PA-C — Apr 5, 2020
Dr. Phebe A. Abraham, MD - Internal Medicine Physician in Greeley, CO — May 14, 2026

Information sourced from the clinic's website as of July 10, 2026.

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